CIVA Confirmation of the effect of Wedge Gap on Amplitude by Edward Ginzel, Robert Ginzel

“… With the increased use of mechanised ultrasonic inspections, many ultrasonic applications now employ refracting wedges equipped with wear pins. …”
Get full text

Acoustical Behaviour of Sodium Nitroprusside in Aquo-Organic Solvent Media at 308.15 K by Monalisa Das, Smrutiprava Das, A. K. Pattanaik

“…Density and ultrasonic velocity have been measured for sodium nitroprusside in aqueous solutions of CH3OH, ethylene glycol, DMSO, and n-propanol solvents at 308.15 K. …”
Get full text

Studies on Water-Polymer Interactions inthe Presence of Aceclofenac at 298.15 K by Siti S. B. Ambomase, Sushree Tripathy, Minaketan Tripathy, Upendra N. Dash

“…Densities and ultrasonic velocities of aqueous mixtures of methyl cellulose (MC) and polyethylene glycol (PEG) and of methyl cellulose and hydroxyl propyl methyl cellulose (HPMC), over the compositions, 9:1, 8:2 and 6:4, and of MC, HPMC and PEG, over the compositions, 9:0.5:0.5, 8:1:1 and 6:2:2, have been measured with and without acelofenac at 298.15K and at atmospheric pressure. …”
Get full text

Behavior of HPC with Fly Ash after Elevated Temperature by Huai-Shuai Shang, Ting-Hua Yi

“…These properties included compressive strength, cubic compressive strength, cleavage strength, flexural strength, and the ultrasonic velocity at various temperatures (20, 100, 200, 300, 400 and 500∘C) for high-performance concrete. …”
Get full text

Analysis of Rutin from Lespedeza virgata (Thunb.) DC. by Microwave-Assisted Extraction and Capillary Electrophoresis by Fan Zhang, Xiaohua Qi, Mingqiang Zou, Jinfeng Li

“…Compared with maceration and ultrasonic extraction, MAE is a rapid method with higher yield and less solvent consumption.…”
Get full text

Determine the Compressive Strength of Calcium Silicate Bricks by Combined Nondestructive Method by Jiri Brozovsky

“…In this case, it is a combination of the rebound hammer method and ultrasonic pulse method. Calibration relationships for determining compressive strength of calcium silicate bricks obtained from nondestructive parameter testing for the combined method as well as for the L-type Schmidt rebound hammer and ultrasonic pulse method are quoted here. …”
Get full text

Ultrasound-assisted extraction of polyphenols from Lonicera japonica leaves and their α-glucosidase inhibition by Gang Li, Chunming Bao, Hao Zhang, Lu Bai

“…IntroductionThe search for natural bioactive compounds that act as α-glucosidase inhibitors is a central focus in diabetes treatment research.MethodsThis study utilized ultrasonic-assisted extraction to optimize the extraction of polyphenols from honeysuckle leaves through response surface methodology (RSM). …”
Get full text

A Comparative Study on the Thermal Conductivity of Concrete with Coal Bottom Ash under Different Drying Conditions by In-Hwan Yang, Jihun Park, Kyoung-Chul Kim, Sung-Won Yoo

“…The material properties of the concrete, including unit weight, compressive strength, and ultrasonic velocity, were also measured in the study. …”
Get full text

Stress Measurement of Steel Strands Based on System Identification Method by Ji Qian, Jianbin Li, Changchun Li, Jianting Zhou, Guowen Yao

“…Among the existing nondestructive testing methods for measuring the stress state of steel strands, ultrasonic guided wave methods have received the most research attention and are most likely to be applied to actual engineering. …”
Get full text

Investigation on the mechanical properties and durability of high performance concrete reinforced with waste tires fibers by REKIA ZOUINI, Abdelkadir Makani, Ahmed Tafraoui

“…Furthermore, a distinct correlation was evident between the ultrasonic pulse velocity and both the compressive and flexural strength. …”
Get full text

Alginate Production from Alternative Carbon Sources and Use of Polymer Based Adsorbent in Heavy Metal Removal by Çiğdem Kıvılcımdan Moral, Merve Yıldız

“…Alginate is a biopolymer composed of mannuronic and guluronic acids. It is harvested from marine brown algae; however, alginate can also be synthesized by some bacterial species, namely, Azotobacter and Pseudomonas. …”
Get full text

El tiempo y la estructura urbana de las ciudades medias en México: una propuesta metodológica by Guillermo Benjamín Álvarez de la Torre

“…Sin embargo, en nuestro caso vemos cómo el factor del periodo histórico al que pertenece el espacio urbano nos permite encontrar patrones espaciales más claros y consistentes en la estructura de las ciudades medias mexicanas.…”
Get full text

Ictiofauna de la Ensenada de la Siguanea (Cuba) by Tsai García-Galano, Zenaida María Navarro Martínez, Leandro Rodríguez-Viera, Jorge Angulo-Valdés

“…Las especies, estadios o patrones de coloración característicos de los peces en estos hábitats, pueden diferir de los patrones encontrados en arrecifes de coral. …”
Get full text

Nondestructive Testing of Advanced Concrete Structure during Lifetime by Lubos Pazdera, Libor Topolar, Jaroslav Smutny, Kristyna Timcakova

“…Acoustic emission, impact echo, and ultrasonic techniques were applied simultaneously to the same mixtures. …”
Get full text

A Novel Route for Development of Bulk Al/SiC Metal Matrix Nanocomposites by Payodhar Padhi, Sachikanta Kar

“…In the present study a noncontact method, where the ultrasonic probe is not in direct contact with the liquid metal, was attempted to disperse nanosized SiC particulates in aluminum matrix. …”
Get full text

Effect of ZnO on the Thermal Properties of Tellurite Glass by H. A. A. Sidek, S. Rosmawati, B. Z. Azmi, A. H. Shaari

“…For ultrasonic velocity measurement of the glass sample, MATEC MBS 8000 Ultrasonic Data Acquisition System was used. …”
Get full text

Comparison of the Effects of Different Decontamination Methods on Staphylococcus Aureus Biofilm by Ece Açıkgöz Alparslan, Ufuk Bağcı, Ayşegül Kurt

“… Purpose: The current in-vitro study aims to compare the effectiveness of various mechanical decontamination modalities in the elimination of Staphylococcus aureus biofilm from titanium surfaces using qualitative and quantitative techniques.Materials and methods: A total of 48 titanium discs were inoculated with Staphylococcus aureus and randomly allocated into four experimental groups consisting of control, plastic curettes (PC), ultrasonic-driven plastic tips (UPT), and ultrasonic-driven stainless-steel tips (UST). …”
Get full text

Visiting a Hindu Temple: A Description of a Subjective Experience and Some Preliminary Interpretations by J. Ramón Gil-García, Triparna S. Vasavada

“…La complejidad inherente al estudio de patrones culturales y otras estructuras sociales no se deriva de su rareza en la sociedad. …”
Get full text

Optimized convolutional neural network using African vulture optimization algorithm for the detection of exons by K. Jayasree, Malaya Kumar Hota

“…The results reveal that the proposed model is reliable and denotes an inventive method due to the ability to automatically create the CNN model for the classification of exons and introns.…”
Get full text

Environmental Surveillance and Transmission Risk Assessments for SARS-CoV-2 in a Fitness Center by Hongwan Li, Sripriya Nannu Shankar, Chiran T. Witanachchi, John A. Lednicky, Julia C. Loeb, Md. Mahbubul Alam, Z. Hugh Fan, Karim Mohamed, Arantzazu Eiguren-Fernandez, Chang-Yu Wu

“…The total attendance was ~2500 patrons during our environmental sampling work. Air samples were collected using stationary and personal bioaerosol samplers. …”
Get full text